Ukrainian President Volodymyr Zelenskyy said he is thinking about dismissing the country’s top military officer as part of a broader leadership shakeup‚ a possibility that has shocked the nation fighting a war to end Russia’s invasion and also worried Ukraine’s Western allies. Zelenskyy confirmed in an interview with Italian broadcaster RAI TV released late Sunday that he was thinking about removing Gen. Valerii Zaluzhnyi‚ the popular commander-in-chief of Ukraine’s armed forces....